docs: def send_jsonified(self, msg, stats=True):
          """Send JSON-encoded message
  
          `msg`
              JSON encoded string to send
          `stats`
              If set to True, will update statistics after operation completes
          """
          msg = bytes_to_str(msg)
  
          if self._immediate_flush:
              if self.handler and self.handler.active and not self.send_queue:
                  # Send message right away
                  self.handler.send_pack('a[%s]' % msg)
              else:
                  if self.send_queue:
                      self.send_queue += ','
                  self.send_queue += msg
  
                  self.flush()
          else:
              if self.send_queue:
                  self.send_queue += ','
              self.send_queue += msg
  
              if not self._pending_flush:
                  self.server.io_loop.add_callback(self.flush)
                  self._pending_flush = True
  
          if stats:
              self.stats.on_pack_sent(1)